3D scanning and its application

1. 3D scanning

1.1. Background

1.1.1. It started in1980s

1.1.2. first used contact probes

1.1.3. time consuming

1.1.4. a great revolution in late 80s

1.2. Principle

1.2.1. use laser to scan the surface of target and save it in the computer as a 3-dimensions file.

1.3. Components

1.3.1. scanners

1.3.2. Targeted objects

1.4. Types

1.4.1. Structure- light 3D scanners

1.4.2. Tracked 3D scanners

1.4.3. Measuring arms, portable CMM scanners

1.4.4. Portable 3D scanners